Loudspeaker



FIG. 1 is a perspective view of a loudspeaker showing our new design;

FIG. 2 is an elevational view thereof, the view being the same viewed from the front, sides and rear; and,

FIG. 3 is a top plan view thereof.

The sets of wavy broken lines seen immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines are included for the purpose of illustrating portions of the loudspeaker; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for a loudspeaker, as shown and described. 